80812464332885 has 4 divisors (see below), whose sum is σ = 96974957199468. Its totient is φ = 64649971466304.

The previous prime is 80812464332869. The next prime is 80812464332909. The reversal of 80812464332885 is 58823346421808.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14951724628516 + 65860739704369 = 3866746^2 + 8115463^2 .

It is a cyclic number.

It is not a de Polignac number, because 80812464332885 - 2⁴ = 80812464332869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8081246433284 + ... + 8081246433293.

It is an arithmetic number, because the mean of its divisors is an integer number (24243739299867).

Almost surely, 2^{80812464332885} is an apocalyptic number.

It is an amenable number.

80812464332885 is a deficient number, since it is larger than the sum of its proper divisors (16162492866583).

80812464332885 is a wasteful number, since it uses less digits than its factorization.

80812464332885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16162492866582.

The product of its (nonzero) digits is 70778880, while the sum is 62.

The spelling of 80812464332885 in words is "eighty trillion, eight hundred twelve billion, four hundred sixty-four million, three hundred thirty-two thousand, eight hundred eighty-five".